There are special grade of silicon steel used in hermetic compressor motor. As because the motor performance should be high enough to meet the requirement of compressor COP, we electric motor designer always prefer to use steel with low watt/kg (core loss) value. But, certainly we should keep in mind about the exponential price rise along with the core loss value.
The range of core loss value can be allowed in the range of 1.85 to 2.5 watt/kg at 1 tesla.
The range of core loss value can be allowed in the range of 1.85 to 2.5 watt/kg at 1 tesla.
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| Si Steel roll for punching in High speed press |
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